CN213340168U

CN213340168U - Remote controller of air conditioner

Info

Publication number: CN213340168U
Application number: CN202021326635.8U
Authority: CN
Inventors: 林晓慧
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-06-01
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to the technical field of air conditioners, and discloses an air conditioner remote controller, which comprises a rear shell, a PCB (printed circuit board), a display screen, a key module, a light emitting diode and a front shell, wherein the front shell and the rear shell are connected to form a complete shell, the PCB is arranged in the rear shell, a screen display area and a control key area are divided on the PCB, the display screen is correspondingly arranged on the screen display area of the PCB, a plurality of key contacts are arranged on the control key area, the key module covers the key control area, a plurality of raised keys are arranged on the key module, the keys and the key contact positions are arranged in one-to-one correspondence, conductive adhesive is connected with the key electric shock contact part on each key, a groove is arranged in one key, the light emitting diode is arranged in the groove, the light emitting diode does not shield the conductive adhesive from contacting with the key contacts, the utility model discloses an air conditioner remote controller which meets the requirements of users, the problem that the characters of the keys cannot be clearly seen when a user needs to use the remote controller at night is solved.

Description

Remote controller of air conditioner

Technical Field

The utility model relates to an air conditioner technical field especially relates to an air conditioner remote controller.

Background

The demand that air conditioner remote controller used night is higher, the user often can't see the characters of button clearly when needing to use the remote controller evening, and the air conditioner of uncontrollable, for solving this problem, the conventional mode sets up the arch of different shapes on the button of difference, the user distinguishes the button type through touching these bulges, but the sense of touch discernment degree is not high, the condition of pressing wrong key often appears, another way is, the button takes fluorescence, the effect of fluorescence is that let the user can find the remote controller at night, but can't see the characters of button equally.

At present, the air conditioner field, the backlight of the air conditioner remote controller is only added in the display screen area, no backlight is arranged in the key area, the key backlight technology is mainly used in the key mobile phone, the problem that the backlight of the key area is generally conducted to the key through a light guide plate by welding a plurality of light emitting diodes in the key area is solved, and the light is conducted to the key, but the air conditioner remote controller is a mature product, the existing structure is changed if the existing structure is needed, and the air conditioner remote controller relates to more than one

And a mould is newly opened for each structural part, so that the research and development cost and the production cost of the air conditioner are correspondingly increased.

SUMMERY OF THE UTILITY MODEL

In some embodiments of the present application, there is provided an air conditioner remote controller, including: backshell, PCB board, button module, emitting diode and preceding shell, preceding shell with the backshell is connected and is constituteed complete casing, the PCB board is installed inside the backshell, it has screen display district and control button district to divide on the PCB board, the screen display district corresponds installs the display screen, be provided with a plurality of button contacts on the control button district, button module covers button control district, set up a plurality of bellied buttons on the button module, just the button with button contact position one-to-one sets up, one of them the button is inside to be provided with the recess, emitting diode sets up in the recess to solve the problem of taking light according to the button region.

In some embodiments of the application, a key is improved, a cavity structure is arranged inside the key, a groove is arranged inside the key, a light emitting diode is arranged in the groove, the key is in contact communication with a key contact, the light emitting diode is used for providing key backlight for the air conditioner remote controller, a light emitting diode circuit is added on the original scheme, in the aspect of the circuit, only a PCB (printed circuit board) is subjected to fine adjustment, one light emitting diode is added, and the added light emitting diode and the original liquid crystal backlight share one path of signal, so that software does not need to be changed; in the aspect of the structure, the mould of the key conductive adhesive only needs to be finely adjusted, even the mould is not adjusted, secondary processing is carried out on materials, the production cost is reduced, and the purpose of using the remote controller at night in a key area can be achieved.

In some embodiments of the present application, an air conditioner remote controller is disclosed, which comprises: the rear shell is used for fixedly mounting each element inside the air conditioner remote controller; the PCB is arranged in the rear shell, a screen display area and a control key area are divided on the PCB, a display screen is correspondingly arranged in the screen display area, and a plurality of key contacts are arranged on the control key area so as to correspondingly transmit different signals; the key module covers the key control area, a plurality of raised keys are arranged on the key module, the keys and the key contact positions are arranged in a one-to-one correspondence manner, conductive adhesive is arranged at the contact parts of the keys and the key contacts to conduct the key contact circuit, a groove is arranged in one of the keys, and the groove is arranged on one side of the conductive adhesive; the light emitting diode is arranged in the groove, and the key is in contact communication with the key contact; the front shell and the rear shell are connected to form a complete shell, a display screen hole is formed in the position, corresponding to the position of the display screen, of the front shell, and a plurality of key holes are formed in the position, corresponding to the plurality of keys, of the front shell.

In some embodiments of the application, the key contacts include a warming contact and a cooling contact, the warming contact and the cooling contact are arranged in parallel, the warming contact and the cooling contact are arranged on the central symmetry axis position of the control key area, two keys corresponding to the warming contact and the cooling contact are arranged as a temperature adjusting key, and conductive adhesive is arranged at the contact positions of the two ends of the temperature adjusting key and the warming contact and the cooling contact; the groove is formed in the center of the inner portion of the temperature adjusting key, the groove is formed between the conductive adhesives arranged at the two ends of the temperature adjusting key, the light emitting diode is arranged in the groove, and the conductive adhesives at the two ends of the temperature adjusting key are in contact communication with the heating contact and the cooling contact.

In some embodiments of the present application, a battery jar is disposed on the rear case, the positive connecting piece and the negative spring are disposed at two ends of the battery jar, and a detachable battery is disposed between the positive connecting piece and the negative spring to supply power to the air conditioner remote controller; the top of the PCB is electrically connected with a transmitting tube so as to convert the electric signal received by the key contact into an electromagnetic signal and transmit the electromagnetic signal to the outside of the air conditioner remote controller, and a zebra stripe is connected between the PCB and the display screen so as to conduct a circuit between the PCB and the display screen; the display screen is an LED display screen, the outer of the LED display screen is connected with the LCD transparent glass in a fitting mode, and a transparent plate is arranged on the display screen hole.

In some embodiments of the present application, the inside of the key is a cavity structure, and the side of the key is a vertical elastic wall.

In some embodiments of the present application, the groove and the light emitting diode are provided with a fit clearance, and the fit clearance ensures the safety of the light emitting diode

In some embodiments of the present application, the temperature adjustment button is a translucent button.

In some embodiments of the present application, the temperature adjustment button is provided with a light hole to guide light path propagation of the light emitting diode.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an air conditioner remote controller according to an embodiment;

FIG. 2 is a key module diagram according to an embodiment;

FIG. 3 is an internal diagram of a key module according to an embodiment.

Reference numerals:

100. a front housing; 101. a transparent plate; 200. a rear housing; 201. a battery cover; 300. a PCB board; 301. Zebra stripes; 302. a launch tube; 303. a display screen; 304. LCD transparent glass; 305. a positive electrode connecting sheet; 306. a negative spring; 400. a key module; 401. pressing a key; 402. a temperature adjusting button; 403. A conductive adhesive; 404. a groove; 500. a light emitting diode.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The air conditioner in the present application performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

An air conditioner according to some embodiments of the present application includes an indoor unit installed in an indoor space. The indoor unit is connected to an outdoor unit installed in an outdoor space through a refrigerant pipe, the outdoor unit may be provided therein with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like of a refrigeration cycle, and the electric box is provided inside the outdoor unit.

According to some embodiments of the present application, an air conditioner remote controller for use in the above air conditioner is disclosed, as shown in fig. 1, an air conditioner remote controller comprising: the air conditioner comprises a rear shell 200, a PCB 300(Printed circuit board), a key module 400, a light emitting diode 500 and a front shell 100, wherein the PCB 300 is fixedly arranged inside the rear shell 200 through screws, the PCB 300 is divided into a screen display area and a control key area, the screen display area is correspondingly provided with a display screen 303, a zebra stripe 301 is connected between the PCB 300 and the display screen 303, the zebra stripe 301 is used for conducting a circuit between the PCB 300 and the display screen 303, wherein the display screen 303 is an LED display screen (imaging electronic equipment which is manufactured by arranging the light emitting diodes 500 in sequence), LCD transparent glass 304 (liquid crystal display) is attached outside the LED display screen 303, a plurality of key contacts are arranged on the control key area to correspondingly transmit different signals, the top of the PCB 300 is electrically connected with an emission tube 302, so that electric signals received by the key contacts are converted into electromagnetic signals to be transmitted to the outside of the air conditioner remote controller, the key module 400 is covered and tightly attached to a control area of the key 401, a plurality of raised keys 401 are arranged on the key module 400, the keys 401 are arranged corresponding to key contact positions one by one, the keys 401 are made of transparent materials, the interior of the keys 401 is of a cavity structure, the side parts of the keys 401 are vertical elastic walls, conductive adhesive 403 is arranged at the contact parts of the keys 401 and the key contacts to conduct a key contact circuit, a groove 404 is arranged in one of the keys 401, the groove 404 is arranged at one side of the conductive adhesive 403, the light emitting diode 500 is arranged in the groove 404, the light emitting diode 500 does not shield the keys 401 from being communicated with the key contacts in a contact manner, a matching gap is arranged between the groove 404 and the light emitting diode 500, the gap can ensure the safety of the light emitting diode 500, the light emitting diode is not pressed when the keys 401 are pressed, and the front shell 100 and the rear shell 200 are, preceding shell 100 is last to be provided with the display screen hole with display screen 303 position corresponding position, and the display screen hole does not shelter from display screen 303, be provided with transparent plate 101 on the display screen hole, do not shelter from LED display screen 303 again when protecting LED display screen 303, preceding shell 100 sets up a plurality of button holes with a plurality of button 401 corresponding position, and the button 401 is not sheltered from to the button hole, be provided with the battery jar on the backshell 200, be provided with on PCB board 300, positive connection piece 305 and negative pole spring 306 set up at the battery jar both ends, be provided with removable battery between positive connection piece 305 and the negative pole spring 306, for the power supply of air conditioner remote controller, the battery jar block is connected with battery cover 201.

It should be noted that, a groove 404 is dug at the back of the inside of the key 401, and a light emitting diode 500 is arranged at the position of the PCB 300 corresponding to the groove 404, the light emitting diode 500 is controlled by a circuit, and the key 401 for placing the light emitting diode 500 is made of a semi-transparent material, so that the whole key module 400 can be well illuminated by the light emitting diode 500, and in the structure aspect of the scheme, the secondary processing is performed on the material only by finely adjusting the mold of the key 401, even without adjusting the mold; in the aspect of the circuit, only one light emitting diode 500 needs to be added, and only the circuit of the PCB 300 needs to be finely adjusted, so that software does not need to be changed, and the purpose of using the remote controller keys 401 at night can be achieved.

In addition, the scheme can realize the scheme that a single button lights all keys with high use frequency or even the whole key area without changing a die in a large scale, and can completely meet the requirement of use at night.

In an embodiment of the present application, the key contacts include a temperature-increasing contact and a temperature-decreasing contact, which are arranged in parallel, as a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, the temperature-increasing contact and the temperature-decreasing contact are arranged up and down, and the temperature-increasing contact and the temperature-decreasing contact are arranged on a central symmetry axis position of the control key area, the temperature-increasing contact and the temperature-decreasing contact correspond to a temperature-adjusting key 402, and a conductive adhesive 403 is arranged at a contact position between two ends of the temperature-adjusting key 402 and the temperature-increasing contact and the temperature-decreasing contact;

the groove 404 is formed in the center of the inside of the temperature adjusting key 402, the groove 404 is formed between the conductive adhesives 403 arranged at the two ends of the temperature adjusting key 402, the light emitting diode 500 is arranged inside the groove 404, the conductive adhesives 403 at the two ends of the temperature adjusting key are not shielded by the light emitting diode 500 and are in contact communication with the heating contact and the cooling contact, the two ends of the temperature adjusting key 402 are pressed respectively to control the communication of the heating contact or the cooling contact, so that the electric signal of the heating contact or the cooling contact is transmitted to the transmitting tube 302, and the transmitting tube 302 converts the electric signal received by the key contact into an electromagnetic signal and transmits the electromagnetic signal to the.

It should be noted that, the connection between the temperature increasing contact and the temperature decreasing contact is controlled by using a key, so that on one hand, the area of the key is increased, and the light emitting diode 500 is disposed at the center of the temperature adjusting key 402, so that the light emitting diode 500 is not pressed when the two ends of the temperature adjusting key 402 are pressed, and on the other hand, the increase of the area of the key increases the ability of the key to scatter light outwards, and increases the area for illuminating the key.

Based on the above scheme, in an embodiment of the present invention, the temperature adjustment key 402 is a semitransparent key, and does not block the light path propagation of the light emitting diode 500.

It should be noted that the translucent key is required to ensure that the internal electrical components are not visible, but that light can be transmitted.

In another embodiment of the present invention, the temperature adjustment button 402 is provided with a plurality of light holes to guide the light path propagation of the light emitting diode 500.

To sum up, the technical scheme of this application has solved the problem of taking light according to the key region with simplest scheme.

According to the first concept of the application, the key is improved, the key is internally provided with a cavity structure, the key is internally provided with a groove, the light-emitting diode is arranged in the groove, the light-emitting diode does not shield the key and is in contact communication with the key contact, the light-emitting diode is used for providing key backlight for the air conditioner remote controller, a light-emitting diode circuit is added on the original scheme, in the aspect of the circuit, only the PCB is finely adjusted, one light-emitting diode is added, and the added light-emitting diode and the original liquid crystal backlight share one path of signal, so that software does not need to be changed; in the aspect of the structure, the mould of the key conductive adhesive only needs to be finely adjusted, even the mould is not adjusted, secondary processing is carried out on materials, the production cost is reduced, and the purpose of using the remote controller at night in a key area can be achieved.

According to the second concept of the application, the light-emitting diode is arranged in the center of the temperature adjusting key, the communication between the temperature rising contact and the temperature lowering contact is controlled by one key, on one hand, the area of the key is increased, and the light-emitting diode is arranged in the center of the temperature adjusting key, so that the light-emitting diode can not be pressed when the two ends of the temperature adjusting key are pressed, on the other hand, the capacity of scattering light outwards of the key is improved due to the increase of the area of the key, and the area for illuminating the key is increased.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An air conditioner remote controller, comprising:

the rear shell is used for fixedly mounting each element inside the air conditioner remote controller;

the PCB is arranged in the rear shell, a screen display area and a control key area are divided on the PCB, a display screen is correspondingly arranged in the screen display area, and a plurality of key contacts are arranged on the control key area so as to correspondingly transmit different signals;

the key module covers the key control area, a plurality of raised keys are arranged on the key module, the keys and the key contact positions are arranged in a one-to-one correspondence manner, conductive adhesive is arranged at the contact parts of the keys and the key contacts to conduct the key contact circuit, a groove is arranged in one of the keys, and the groove is arranged on one side of the conductive adhesive;

the light emitting diode is arranged in the groove, and the key is in contact communication with the key contact;

the front shell and the rear shell are connected to form a complete shell, a display screen hole is formed in the position, corresponding to the position of the display screen, of the front shell, and a plurality of key holes are formed in the position, corresponding to the plurality of keys, of the front shell.

2. The remote controller for the air conditioner according to claim 1, wherein the key contacts comprise a temperature rising contact and a temperature lowering contact, the temperature rising contact and the temperature lowering contact are arranged in parallel, the temperature rising contact and the temperature lowering contact are arranged on the central symmetry axis position of the control key area, two keys corresponding to the temperature rising contact and the temperature lowering contact are arranged as a temperature adjusting key, and conductive adhesive is arranged at the contact positions of the two ends of the temperature adjusting key and the temperature rising contact and the temperature lowering contact;

the groove is formed in the center of the inner portion of the temperature adjusting key, the groove is formed between the conductive adhesives arranged at the two ends of the temperature adjusting key, the light emitting diode is arranged in the groove, and the conductive adhesives at the two ends of the temperature adjusting key are in contact communication with the heating contact and the cooling contact.

3. The remote controller for the air conditioner as claimed in claim 1, wherein a battery groove is arranged on the rear shell, a positive connecting sheet and a negative spring are arranged at two ends of the battery groove, a detachable battery is arranged between the positive connecting sheet and the negative spring to supply power for the remote controller for the air conditioner, and a battery cover is connected with the battery groove in a clamping manner;

the top of the PCB is electrically connected with a transmitting tube so as to convert the electric signal received by the key contact into an electromagnetic signal and transmit the electromagnetic signal to the outside of the air conditioner remote controller, and a zebra stripe is connected between the PCB and the display screen so as to conduct a circuit between the PCB and the display screen;

the display screen is an LED display screen, the outer of the LED display screen is connected with LCD transparent glass in a fitting mode, and transparent plates are arranged on the display screen holes.

4. The remote controller for air conditioners as claimed in claim 1, wherein the key has a hollow structure inside and the side of the key is a vertical elastic wall.

5. The remote controller for air conditioners as claimed in claim 1, wherein a fitting clearance is provided between the recess and the light emitting diode, and the fitting clearance ensures safety of the light emitting diode.

6. The remote control of an air conditioner as claimed in claim 2, wherein the temperature adjusting button is a translucent button.

7. The remote controller of claim 2, wherein the temperature adjustment button has a plurality of light holes for guiding the light path transmission of the light emitting diode.